@article {64072,
	title = {Optimal rate of convergence in stratified Boussinesq system},
	journal = {arXiv preprint arXiv:1702.05302arXiv preprint arXiv:1702.05302},
	year = {2017},
	month = {2017},
	author = {Zerguine, Mohamed and Meddour, Halima}
}
